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Title Taiwan Futures Exchange Corporation Trading Rules for Mini-TAIEX Futures Contracts CH
Date 2025.08.01 ( Amended )

Article Content

Article 1     These Rules are specially promulgated to maintain orderly trading of Mini-TAIEX Futures contracts ("the Contracts") at the Taiwan Futures Exchange Corporation ("TAIFEX") and ensure security and fairness in trading of the Contracts.
Article 2     Qualifications and obligations of the assessment unit
  1. An external professional institution may be entrusted or an internal company unit may act as the assessment unit. In the event of an external professional institution, it shall be no conflicts of interest with the object of information security assessment. In the event of an internal unit, it shall be independent from the original computer system development and maintenance units etc.
  2. The assessment unit conducting information and communication security assessments of Category I information and communication systems shall meet the qualification requirements set forth in all of the following subparagraphs. The one conducting information and communication security assessments of Category II and III information and communication security systems shall meet any of the relevant qualification requirements based on the assessment item requirements:
    1. Possess knowledge of information and communication security management, such as holding a Certified Information Security Manager (CISM) certification or passing the Information Security Management System Lead Auditor (ISO 27001 LA) examination etc.
    2. Possess technical capabilities for information and communication security, such as holding a Certified Information Systems Security Professional (CISSP) certification etc.
    3. Possess capabilities to simulate hacker attacks, such as holding a Certified Ethical Hacking (CEH) certification or Certified Incident Handler (CIH) certification etc.
    4. Be familiar with financial industry carrier applications, system development, or audit experience.
  3. The assessment unit shall sign a confidentiality agreement and provide appropriate protective measures to prevent data leakage for all data pertaining to the case, including inspection documents, test logs, configuration parameters, source codes, and captured packet data etc.
  4. No assessment unit and personnel may conceal deficiencies, make misrepresentations, divulge or misuse data etc.
Article 3
Article 4     Social Engineering Drills
    A drill email shall be sent at least once per year within the scope of security monitoring to personnel who use information and communication systems, to enhance information and communication security awareness in order to prevent malware intrusions carried out through social engineering tactics.
Article 5
Article 6     Information about security measures to enhance system availability
    Futures commission merchants entities that offer online trading ordering services or maintain an official website shall implement information security measures to enhance system availability [such as deploying Distributed Denial of Service (DDoS) mitigation solutions, network traffic monitoring and redundancy, and establishing DDoS defense and response procedures etc.], and shall conduct regular DDoS drills annually.
Article 7
Article 8     The trading hours for the Contracts are as follows:
  1. Regular trading session: from 8:45 am to 1:45 pm on TWSE business days. On the last trading day of Contracts reaching expiration, the trading hours are 8:45 am to 1:30 pm.
  2. After-hours trading session: from 3 pm on TWSE business days to 5 am of the following day.
    If the TAIFEX has made other provisions regarding the trading hours referred to in the preceding paragraph, those provisions shall govern.
    When for any reason the TWSE announces a halt of trading prior to market opening of the Contracts , or when other factors influence trading of the Contracts, trading of the Contracts may be halted; when the TWSE announces a halt of trading during trading hours of the Contracts, trading of the Contracts may still continue. As necessary, however, the TAIFEX may announce a halt of trading based on a current situation, and report the halt to the competent authority for recordation on the next business day.
    When the TWSE changes its trading hours, or when other factors influence trading of the Contracts, or in response to a suggestion by a futures industry association or the National Federation of Futures Industry Associations, the TAIFEX may change the trading hours for the Contracts after reporting to the competent authority for approval.
Article 9     Except where otherwise provided, delivery months for the Contracts shall be the spot month and the next two calendar months, and the three nearest of the quarter months of March, June, September, and December, for a total of six periods, listed and traded concurrently. The last trading day for contracts of any delivery month shall be the third Wednesday of the month in which such contract reaches expiry; the last trading day shall be the final settlement day for a contract, and trading of the Contracts of a new delivery month shall commence from the regular trading session of the next business day following the last trading day of the contracts in the expiration month.
    The TAIFEX may, in the regular trading session on the Wednesday in a given trading week, add contracts for which the initial trading day is the given Wednesday and the last trading day is the second Wednesday following the initial trading day. The exception is the first Wednesday of each month; the last trading day for that contract is the final settlement day.
    Trading of expiring Contracts shall be terminated at close of the regular trading session on the last trading day. If the last trading day or the initial trading day falls on a holiday, or if trading may not proceed on that day due to a force majeure event, or if the TAIFEX has made other provisions, the next following business day shall be the last trading day or the initial trading day.
    The TAIFEX may change the delivery months, initial trading days, final trading days, and final settlement days referred to in the preceding three paragraphs when it deems necessary after report to and approval from the competent authority.
Article 10     Buy and sell orders for the Contracts, unless otherwise provided, will be matched automatically by computer. Matching is carried out by call auction at the opening of market, and then by continuous matching during market hours.
Article 11     Equity in positions held by traders of the Contracts shall be calculated each day after close of the regular trading session in accordance with the daily settlement price announced by the TAIFEX.
    With respect to Contracts listed pursuant to Article 9, paragraph 1, the daily settlement price shall be the same as that for the TAIFEX Taiwan Stock Exchange Index (TAIEX) futures contracts.
    With respect to Contacts listed pursuant to Article 9, paragraph 2, the daily clearing price shall be set in accordance with the trading information from the regular trading session and the following provisions:
  1. It shall be the volume-weighted average price of all trades during the last minute before market close.
  2. If there is no trade price for the Contracts during the last minute before market close on the current day, the average of the highest unexecuted bid and lowest unexecuted ask quoted as of market close shall be taken as the daily settlement price.
  3. When there is no quoted bid price, the lowest quoted ask price shall be taken as the daily settlement price; when there is no quoted ask price, then the highest quoted bid price shall be taken as the daily settlement price.
  4. If a daily settlement price cannot be determined by any of the methods in the three preceding subparagraphs, or if the settlement price yielded is obviously unreasonable, the settlement price shall be set by the TAIFEX.
    With respect to Contracts listed pursuant to Article 9, paragraph 1, for traders holding open positions in the Contracts for various delivery months, four of the Contracts may be offset against one TAIFEX Taiwan Stock Exchange stock index futures contract for the same delivery month.
Article 12     The price limits for each trading session of the Contracts shall be 10 percent above and 10 percent below the daily settlement price of the preceding regular trading session.
Article 13     The final clearing price of the Contracts shall be set based on the simple average price of the underlying index during the 30 minutes before market close on the final settlement day as provided by the TWSE. If the TWSE postpones market closing or matching, the TAIFEX may extend the aforementioned 30-minute sampling time.
    The calculation method under the preceding paragraph shall be separately prescribed by the TAIFEX.
Article 14     Cash settlement shall be adopted for settlement at expiry of the Contracts, with the futures traders on the final settlement day making payment or taking receipt of payment of the net amount of the price differential based on the final clearing price.
Article 15     An FCM engaging in brokerage trading of the Contracts shall, prior to accepting an order, first collect a sufficient trading margin based on the aggregate total of the brokerage trading orders, and from the date of the trades until the expiry of the settlement period shall mark to market on a daily basis the equity in the position held by the client based on the daily clearing price and credit the aggregate total to the balance of the margin fund account of the client.
    When during the regular trading session the balance in a client's margin account is lower than the required maintenance margin, the FCM shall immediately notify the client to deposit within a specified time sufficient cash funds to cover the difference between the balance in the margin account and the total amount of the trading margins required for the client's open positions. If a client fails to make the deposit within the prescribed time limit, the FCM may offset the client's position on the client's behalf.
    The trading margin and the maintenance margin referred to in the preceding two paragraphs may not be lower than the publicly announced TAIFEX standard for the initial margin and the maintenance margin.
    The initial margins and maintenance margins publicly announced by the TAIFEX shall be calculated by multiplication of the clearing margins calculated in accordance with the Taiwan Futures Exchange Corporation Standards and Methods for Receipt of Clearing Margins by the percentage prescribed by the TAIFEX.
Article 16     Assessment Report
  1. The information and communication system information and communication security assessment report shall include at least the qualifications of the assessment personnel, scope of the assessment, assessment items and objects, assessment records, deficiencies identified during the assessment, severity of deficiencies, categories of deficiencies, risk explanations, specific recommendations on rectification, and results of social engineering drills.
  2. The company shall classify risk levels based on the level of deficiencies in the assessment report, and formulate corresponding control measures and rectification deadlines for each risk and submit the same to the audit unit for follow-up and review of the rectification of deficiencies.
  3. The review of deficiencies identified in the assessment report shall be submitted to the board of directors or a managerial department authorized by the board, provided in the event of a Taiwan branch of a foreign futures commission merchants, such may be carried out by the responsible person of the branch, ensuring the rectification of deficiencies is supervised by senior management.
  4. The assessment report shall be retained together with documents relating to the rectification of deficiencies etc. for at least five years.
Article 17     An FCM engaging in proprietary or brokerage trading of the Contracts shall, unless otherwise provided, be subject to a limit of 100 contracts on the quantity of each trading quote.
    The TAIFEX may make appropriate adjustments to the limit on the quantity of trading quotes in the preceding paragraph in view of market trading conditions.
Article 18     Where any circumstance exists requiring suspension of trading or delisting of the Contracts as enumerated in Article 31 of the Operating Rules of the Taiwan Futures Exchange Corporation, the TAIFEX shall make a public announcement 30 days prior to implementation, with the exception of termination of the Index licensing agreement by the Index compiling institute, which results in suspension of trading or delisting of the Contracts.
    All open positions shall be liquidated before the announced implementation date for the suspension of trading or delisting. Any open positions on the implementation date will be settled at the settlement price of the trading day preceding the implementation date.
Article 19     These Rules, and any amendments hereto, will be publicly announced and implemented after approval by the competent authority.
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